Actively exploited · Published Sep 11, 2023 · Assigned by apple
CVE-2023-41990
High 7.8 Exploited
In plain English
A high-severity security flaw in iOS and iPadOS from Apple. Attackers are actively exploiting it in the wild (listed by CISA on January 8, 2024). The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities). Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA guidance
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Jan 29, 2024.
Official description
The issue was addressed with improved handling of caches. This issue is fixed in tvOS 16.3, iOS 16.3 and iPadOS 16.3, macOS Monterey 12.6.8, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Ventura 13.2, watchOS 9.3. Processing a font file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.1.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | unspecified – before 16.3 |
| Apple | tvOS | unspecified – before 16.3 |
| Apple | iOS and iPadOS | unspecified – before 15.7 |
| Apple | macOS | unspecified – before 11.7 |
| Apple | macOS | unspecified – before 13.2 |
| Apple | macOS | unspecified – before 12.6 |
| Apple | watchOS | unspecified – before 9.3 |
References
- https://support.apple.com/en-us/HT213606
- https://support.apple.com/en-us/HT213601
- https://support.apple.com/en-us/HT213842
- https://support.apple.com/en-us/HT213845
- https://support.apple.com/en-us/HT213605
- https://support.apple.com/en-us/HT213844
- https://support.apple.com/en-us/HT213599
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41990 government-resource